Pls help me fix my javascript code...

what i want to do is.
var a[5randomnumber] = document.createElement("a");
a[5randomnumber].href = "www.link.com/randomletters&numbers";

example, ignore the message with ( )

var a91268 <- (here as you can see, its 5 random number) = document.createElement("a");
a91268 <- (same thing here) .href = "www.google.com/ahasxdhahsdxa27323hasxehahwexhaweh238283awxeh";
this is what i want to do but i am here 20 mins searching on google but can't find answer :|

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